Smut-machine



2 Sh tSh H. E. M. CLARK. 895 G6 Smut Machine.

Patented July 28, 1857.

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2 Sheets-Sheet 2 E. M. CLARK.

Smut' Machine.

Patented July 28, 1857 UNITED STATES PATENT OFFICE.

EVERARD M. CLARK, OF LANCASTER, PENNSYLVANIA.

SMUT-MACHINE.

Specification of Letters Patent No. 17,869, dated July 28, 1857.

To all whom it may concern:

Be it known that I, EVERARD M. CLARK, of the city of Lancaster, county of Lancaster, and State of Pennsylvania, have invented an Im roved Smut-Machine; and I do hereby dec are that the following is a full and eXact description thereof, reference being had to the accompanyingdrawings and to the letters of reference marked thereon.

The nature of my invention is a propeller formed of four or more curved and fluted cast iron wings, attached to a center shaft, operating on the inside of a cylinder, for scouring the grain and blowing off the smut, &c.

To enable others skilled in the art to make and use my invention, I will proceed to describe its construction and operation.

A is the square frame work; B the square wooden spout, into which the grain is poured at aperture C on the one side. It has another aperture D near the top on the opposite side. This spout B is located at-top of cylinder or concave E and is about two feet high. The grain passes through this spout in a wide sheet down'into the cylinder E and upon the fluted Wings of the propeller F, and by the curvature of the wings F the grain is thrown against the sharp edges of the concave E which produce a reaction and force the grain back again toward the center of the pro eller F, at the same time it is undergoing t e scouring process, and the revolution of the propeller F is creatingsuch a perfect draft of air, as to force the foul air with the cheat, chaff and other smut (lighter than the wheat) upward, and out of the a erture D of the spout B above, and as t e grain is descending through the spout B, it is receiving the blast from the propeller F, and is being cleaned of smut, &c., before entering the c linder E.

The vertica propeller F is formed of four or more curved and fluted cast iron wings attached to the center vertical shaft G, and located and operating inside of the concave or cylinder E the whole length of cylinder, each wing scooping inwardly at bottom, somewhat screw shaped, as shown in the drawings, operating as a propeller to create and drive the blast upward, and at the same time the outside edges of the wings operate within the grooved concave E about a quarter of an inch from the projecting edges of the grooves of concave E to scour the grain. At the same time the grain is being scoured, a portion of the chaff, smut, &c., is also forced through the square cast iron spout H (cast to the outside of cylinder E) into the large square wooden spout I, and thrown off at the opening J, the fan K below is also blowing off all the chaff, smut, &c., upward out of the square spout I at the opening J and the grain being discharged from the cylinder E through the lower s out L into and out of the square spout I. y the aperture M (which may be covered with wire gauze or perforated tin as usual) in the center of the bottom of the'cylinder E a draft of fresh air is received and increased by the velocity of the revolving ropeller F and discharged above through the upper spout B, which likewise assists in blowin off the cheat, smut, &c., before they reach the cylinder E.

N is the driving pulley attached to shaft G; O, a sliding door to be raised or lowered to regulate the opening or aperture J.

By the operation of this machine, the fan K below, and the fluted propeller F (in the cylinder E) are made to drive off all the chafl, smut, &c., while the scouring process is going on, and the grain is falling in through the spout B, and being discharged in a thoroughly cleaned state below at the spout L at the same time, while all the chaff, smut, &c., are blown out of the apertures D and J of the square spouts B and I at the one side of the machine.

I am aware of wings being attached to a vertical shaft operating in a grooved concave or cylinder for scouring purposes, but this I do not claim.

What I claim as my invention and desire to secure by Letters Patent is The shape and construction of the fluted propeller F as herein described, for the purposes of scouring the grain, and at the same time driving a blast upward, so as to blow off the cheat, smut, &c., out of the spoutB above, before the grain passes down on to the wings of the propeller F and concave E.

EVERARD M. CLARK. Witnesses:

J. FRANKLIN REIGART, M. CARPENTER. 

